#surfacePanel{color:var(--ui-435963,#435963);background:var(--ui-fbfaf7,#fbfaf7);border:1px solid var(--ui-d9d8d2,#d9d8d2);border-radius:12px;padding:22px;width:min(420px,calc(100vw - 28px));max-height:calc(100dvh - 32px);overflow:auto;box-sizing:border-box}#surfacePanel::backdrop{background:#273b4652}.surfaceTop{display:flex;align-items:center;justify-content:space-between;gap:12px}.surfaceTop h2{font-size:18px;margin:0}.surfaceTop button{font-size:24px}#surfacePanel fieldset{border:0;padding:0;margin:22px 0;display:grid;grid-template-columns:1fr 1fr;gap:8px}#surfacePanel legend{padding:0;margin-bottom:10px;font-weight:600;font-size:14px}#surfacePanel button{min-height:44px}#surfacePanel fieldset button{display:flex;align-items:center;gap:9px;text-align:left;padding:8px 10px}#surfacePanel button[aria-pressed=true]{background:var(--ui-e4ecef,#e4ecef);border-color:var(--ui-5c7885,#5c7885);color:var(--ui-3f5965,#3f5965)}.surfaceSwatch{display:inline-block;width:24px;height:24px;flex:0 0 24px;border-radius:50%;border:1px solid #87969b60}#surfacePanel p{font-size:12px;line-height:1.7;color:var(--ui-66757c,#66757c)}#surfaceMessage{min-height:20px}#surfaceEntry{white-space:nowrap}
#walkMiniMap{position:absolute;top:calc(max(12px,env(safe-area-inset-top)) + 62px);right:max(16px,env(safe-area-inset-right));width:146px;height:146px;padding:0;border-radius:50%;overflow:hidden;border:1px solid var(--ui-bdc9ce,#bdc9ce);background:var(--ui-f7f5f1,#f7f5f1);box-shadow:0 3px 14px #31485220;touch-action:manipulation}#walkMiniMap svg{display:block;width:100%;height:100%}#walkMapPanel{position:absolute;inset:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));z-index:10;background:var(--ui-f7f5f1,#f7f5f1);border:1px solid var(--ui-cbd5d8,#cbd5d8);border-radius:12px;padding:16px;display:flex;flex-direction:column;color:var(--ui-435963,#435963);box-shadow:0 12px 40px #30475130}#walkMapPanel[hidden]{display:none}#walkMapPanel>div{display:flex;align-items:center;justify-content:space-between;gap:12px}#walkMapPanel h2{font-size:16px;margin:0}#walkMapPanel button{min-height:44px}#walkMapPanel>svg{flex:1;min-height:0;width:100%}#walkMapPanel p{font-size:12px;line-height:1.5;margin:8px 0 0}.walkTop span,.walkTop button{background:var(--ui-fbfaf7,#fbfaf7);color:var(--ui-526e7b,#526e7b);backdrop-filter:none}.walkHelp{background:#f7f5f1e8;color:var(--ui-526e7b,#526e7b)}#walkJoystick{border-color:#71899477;background:#f7f5f1b3}#walkJoystick span{background:#5b7784b3}@media(pointer:coarse),(max-width:600px){#walkMiniMap{width:116px;height:116px}}@media(max-height:450px){#walkMiniMap{width:96px;height:96px;top:calc(max(8px,env(safe-area-inset-top)) + 54px)}}@media(max-height:350px){#walkMiniMap{width:80px;height:80px}}

#modelStage>#surfaceEntry{position:absolute;top:14px;left:14px;z-index:4;background:var(--ui-fbfaf7,#fbfaf7);color:var(--ui-526e7b,#526e7b);border-color:var(--ui-cbd5d8,#cbd5d8);min-height:44px}body.walking #surfaceEntry{display:none}

/* Installed iPad walkthrough controls never request a native backdrop material. */
body.installedTabletEdge .walkTop span,body.installedTabletEdge .walkTop button{backdrop-filter:none;-webkit-backdrop-filter:none;filter:none;opacity:1;background:var(--ui-fbfaf7,#fbfaf7)}

.walkActions{display:flex;align-items:center;gap:8px;pointer-events:auto}.walkActions button{white-space:nowrap}@media(max-width:500px){.walkTop{gap:8px}.walkTop>span{padding-inline:10px}.walkActions{gap:6px}.walkActions button{padding-inline:10px;font-size:12px}}
/* Desktop canvas actions share one position and type scale. */
@media(min-width:901px){
body:not(.phoneLandscape):not(.tabletDevice) #editorMain :is(#lineworkToggle,#modelStage>#surfaceEntry){top:12px;right:12px;left:auto;display:inline-flex;align-items:center;justify-content:center;width:112px;height:44px;min-height:44px;margin:0;padding:10px 12px;font-size:13px;font-weight:500;line-height:1.25;letter-spacing:0;border-radius:4px;white-space:nowrap}
html[lang="en"] body:not(.phoneLandscape):not(.tabletDevice) #editorMain :is(#lineworkToggle,#modelStage>#surfaceEntry){width:140px}
}